void PlotMatrix::alignVAxes( int col, int axis )
{
if ( axis != QwtPlot::yLeft && axis != QwtPlot::yRight )
return;
double maxExtent = 0;
for ( int row = 0; row < numRows(); row++ )
{
QwtPlot *p = plot( row, col );
if ( p )
{
QwtScaleWidget *scaleWidget = p->axisWidget( axis );
QwtScaleDraw *sd = scaleWidget->scaleDraw();
sd->setMinimumExtent( 0.0 );
const double extent = sd->extent( scaleWidget->font() );
if ( extent > maxExtent )
maxExtent = extent;
}
}
for ( int row = 0; row < numRows(); row++ )
{
QwtPlot *p = plot( row, col );
if ( p )
{
QwtScaleWidget *scaleWidget = p->axisWidget( axis );
scaleWidget->scaleDraw()->setMinimumExtent( maxExtent );
}
}
}
//---------------------------------------------------------------------------
void Plots::alignYAxes()
{
double maxExtent = 0;
for ( size_t streamPos = 0; streamPos < m_fileInfoData->Stats.size(); streamPos++ )
if ( m_fileInfoData->Stats[streamPos] && m_plots[streamPos] )
{
size_t type = m_fileInfoData->Stats[streamPos]->Type_Get();
for ( int group = 0; group < PerStreamType[type].CountOfGroups; group++ )
if (m_plots[streamPos][group] && m_plots[streamPos] )
{
QwtScaleWidget *scaleWidget = m_plots[streamPos][group]->axisWidget( QwtPlot::yLeft );
QwtScaleDraw* scaleDraw = scaleWidget->scaleDraw();
scaleDraw->setMinimumExtent( 0.0 );
if ( m_plots[streamPos][group] && m_plots[streamPos][group]->isVisibleTo( this ) )
{
const double extent = scaleDraw->extent( scaleWidget->font() );
maxExtent = qMax( extent, maxExtent );
}
}
maxExtent += 3; // margin
}
for ( size_t streamPos = 0; streamPos < m_fileInfoData->Stats.size(); streamPos++ )
if ( m_fileInfoData->Stats[streamPos] && m_plots[streamPos] )
{
size_t type = m_fileInfoData->Stats[streamPos]->Type_Get();
for ( int group = 0; group < PerStreamType[type].CountOfGroups; group++ )
if (m_plots[streamPos][group])
{
QwtScaleWidget *scaleWidget = m_plots[streamPos][group]->axisWidget( QwtPlot::yLeft );
scaleWidget->scaleDraw()->setMinimumExtent( maxExtent );
}
}
}
QPoint *ScalePicker::getLocation(double axisval)
{
QwtScaleWidget *scale = static_cast<QwtScaleWidget *>(this->parent());
const QwtScaleDraw *sd = scale->scaleDraw();
QRect rect = this->scaleRect(scale);
int margin = 10; // 10 pixels tolerance
rect.setRect(rect.x() - margin, rect.y() - margin,
rect.width() + 2 * margin, rect.height() + 2 * margin);
int point = sd->map().transform(axisval);
QPoint *pos = new QPoint();
switch(scale->alignment())
{
case QwtScaleDraw::LeftScale:
{
pos->setX(rect.x());
pos->setY(point);
break;
}
case QwtScaleDraw::RightScale:
{
pos->setX(rect.x());
pos->setY(point);
break;
}
case QwtScaleDraw::BottomScale:
{
pos->setX(point);
pos->setY(rect.y());
break;
}
case QwtScaleDraw::TopScale:
{
pos->setX(point);
pos->setY(rect.y());
break;
}
}
return pos;
}
virtual void rescale()
{
QwtScaleWidget *scaleWidget = plot()->axisWidget(yAxis());
QwtScaleDraw *sd = scaleWidget->scaleDraw();
int minExtent = 0;
if ( zoomRectIndex() > 0 )
{
// When scrolling in vertical direction
// the plot is jumping in horizontal direction
// because of the different widths of the labels
// So we better use a fixed extent.
minExtent = sd->spacing() + sd->maxTickLength() + 1;
minExtent += sd->labelSize(
scaleWidget->font(), c_rangeMax).width();
}
sd->setMinimumExtent(minExtent);
ScrollZoomer::rescale();
}
Plot::Plot (QString name, QWidget *p) : QwtPlot (p)
{
//TODO
high = 0;
low = 0;
destroying = false;
//PlotSettings
_plotSettings.name = name;
_plotSettings.spacing = 4;
_plotSettings.high = 0;
_plotSettings.low = 0;
_plotSettings.startPos = -1;
_plotSettings.endPos = -1;
_plotSettings.selected = 0;
_plotSettings.antiAlias = TRUE;
_plotSettings.barLength = BarLength::_DAILY;
_plotSettings.status = PlotStatus::_NONE;
_plotSettings.info = TRUE;
mpage = 360; //default
setMinimumHeight(20);
setCanvasBackground(QColor(Qt::black));
setMargin(0);
enableAxis(QwtPlot::yRight, TRUE);
enableAxis(QwtPlot::yLeft, FALSE);
// add custom date scale drawing class to plot
_dateScaleDraw = new PlotDateScaleDraw;
setAxisScaleDraw(QwtPlot::xBottom, _dateScaleDraw);
// add custom date scale drawing class to plot
_plotScaleDraw = new PlotScaleDraw;
setAxisScaleDraw(QwtPlot::yRight, _plotScaleDraw);
_grid = new QwtPlotGrid;
// _grid->enableXMin(FALSE);
_grid->enableX(FALSE);
_grid->enableYMin(FALSE);
_grid->setMajPen(QPen(Qt::gray, 0, Qt::DotLine));
_grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
_grid->setYAxis(QwtPlot::yRight);
_grid->attach(this);
// try to set the scale width to a sane size to keep plots aligned
QwtScaleWidget *sw = axisWidget(QwtPlot::yRight);
sw->scaleDraw()->setMinimumExtent(60);
// setup the mouse events handler
_picker = new PlotPicker(this);
connect(_picker, SIGNAL(signalMouseMove(QPoint)), this, SLOT(mouseMove(QPoint)));
connect(_picker, SIGNAL(signalMouseClick(int, QPoint)), this, SLOT(mouseClick(int, QPoint)));
connect(_picker, SIGNAL(signalMouseDoubleClick(int, QPoint)), this, SLOT(mouseDoubleClick(int, QPoint)));
// connect(_picker, SIGNAL(signalMouseRelease(int, QPoint)), this, SLOT(mouseRelease(int, QPoint)));
// setup the context menu
createMenu();
// grabGesture(Qt::TapAndHoldGesture);
// grabGesture(Qt::SwipeGesture);
_plotInfo = new PlotInfo;
_plotInfo->attach(this);
}
void PlotMatrix::alignAxes( int rowOrColumn, int axis )
{
if ( axis == QwtPlot::yLeft || axis == QwtPlot::yRight )
{
double maxExtent = 0;
for ( int row = 0; row < numRows(); row++ )
{
QwtPlot *p = plotAt( row, rowOrColumn );
if ( p )
{
QwtScaleWidget *scaleWidget = p->axisWidget( axis );
QwtScaleDraw *sd = scaleWidget->scaleDraw();
sd->setMinimumExtent( 0.0 );
const double extent = sd->extent( scaleWidget->font() );
if ( extent > maxExtent )
maxExtent = extent;
}
}
for ( int row = 0; row < numRows(); row++ )
{
QwtPlot *p = plotAt( row, rowOrColumn );
if ( p )
{
QwtScaleWidget *scaleWidget = p->axisWidget( axis );
scaleWidget->scaleDraw()->setMinimumExtent( maxExtent );
}
}
}
else
{
double maxExtent = 0;
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plotAt( rowOrColumn, col );
if ( p )
{
QwtScaleWidget *scaleWidget = p->axisWidget( axis );
QwtScaleDraw *sd = scaleWidget->scaleDraw();
sd->setMinimumExtent( 0.0 );
const double extent = sd->extent( scaleWidget->font() );
if ( extent > maxExtent )
maxExtent = extent;
}
}
for ( int col = 0; col < numColumns(); col++ )
{
QwtPlot *p = plotAt( rowOrColumn, col );
if ( p )
{
QwtScaleWidget *scaleWidget = p->axisWidget( axis );
scaleWidget->scaleDraw()->setMinimumExtent( maxExtent );
}
}
}
}
